Our photographer brings you all the action from the Millennium Stadium where the Saints are the bidding to be the first English winners of the cup since 2007
Where's Wally? It seems he, and a some dopplegangers, travelled all the way from Richmondshire, Yorkshire to CardiffPhotograph: Tom Jenkins for the ObserverI'll tell you what I want, what I really, really want...Not to be in the seat next to you lot!Photograph: Tom Jenkins for the Observer...or you twoPhotograph: Tom Jenkins for the ObserverCome on you SaintsPhotograph: Tom Jenkins for the ObserverThe Northampton players huddle before the gamePhotograph: Tom Jenkins for the ObserverSoane Tonga'uhia tackles Sean O'BrienPhotograph: Tom Jenkins for the ObserverJonny Sexton launches a kick away from the danger areaPhotograph: Tom Jenkins for the ObserverWith his injured knee well strapped up, Brian O'Driscoll is put clear after more fine work by Horgan, he has only Ben Foden, left, to beat...Photograph: Tom Jenkins for the ObserverCome on Brian go for the line, you can do it, unfortunately England's full-back showed him the outside before hauling Ireland's icon down without compassionPhotograph: Tom Jenkins for the ObserverKevin McLaughlin receives a big hit from Courtney LawesPhotograph: Tom Jenkins for the ObserverPaul Diggin grabs Isa Nacewa's hair as he tackles him Photograph: Tom Jenkins for the ObserverThe Leinster mascot carries off a cheerleader at half-time. After the lack-lustre performance in the first half he must feel like doing that to some of the players tooPhotograph: Tom Jenkins for the ObserverLeinster are like a different side in the second half and their new found power makes the Northampton scrum bucklePhotograph: Tom Jenkins for the ObserverIt's not just the Leinster pack that's having the upper hand Jonny Sexton is having the half of his life. He gets 2 tries which he converts as well and kicks 4 penalties tooPhotograph: Tom Jenkins for the ObserverWith 15 minutes to go, Leinster come forward again and Nathan Hines dives over the line from close range. Sexton converts to make it 33-22. That's 27 points that the Irish team have scored in just 25 minutesPhotograph: Tom Jenkins for the ObserverThe final whistle goes and being on the receiving end of the greatest comeback in Heineken Cup history is all too much for Lee Dickson...Photograph: Tom Jenkins for the Observer...and Ben Foden Photograph: Tom Jenkins for the ObserverShellshocked Northampton players Mujati, Myler and Hartley, wait for the presentation of their losers medalsPhotograph: Tom Jenkins for the ObserverTo the victors the spoilsPhotograph: Tom Jenkins for the Observer...and to the losers the ignominy of watching the celebrations and ruing what might have beenPhotograph: Tom Jenkins for the ObserverLeinster celebrate with the trophy. Richardt Strauss holds the trophy aloftPhotograph: Tom Jenkins for the ObserverMan of the match Jonny Sexton grabs the trophy on the lap of honour...Photograph: Tom Jenkins for the Observer...and giving it a big kissPhotograph: Tom Jenkins for the ObserverAn overjoyed Brian O'Driscoll pretends to throw it into the crowdPhotograph: Tom Jenkins for the ObserverThe legend that is Brian O'Driscoll walks down the tunnel with celebrating Leinster fans either sidePhotograph: Tom Jenkins for the ObserverA fan poses with the trophy and Fergus McFaddenPhotograph: Tom Jenkins for the Observer